8 Inventions That Were Patented on April 26th

In honor of World Intellectual Property Day, we wanted to share eight interesting inventions that were patented on April 26th.

1. 1892 – Sara Boone patented an ironing board. [1]

2. 1901 – Marconi’s Wireless Telegraph Company patented improvements in an apparatus for wireless technology that reduced transmission interference by enabling the tuning of the transmitter, receiver and antenna. [2]